A particle is travelling with initial veocity of `2 m//s` and moves in a straight line with a restardation of `0.1 m//s^(2)`. The time at which the particle is `15 m` from the starting point is :
A. 20 sec
B. `23.2 sec`
C. `46.4 sec`
D. None of these

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1 Answers

Correct Answer - C
`-15 = 2 t + (1)/(2) (-0.1) t^(2)`
`t = 46.4 sec`

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